From 1 to 10 July，Liguoping、Yangdehua、Chengyi (NIAOT) and Chengjingquan（guest professor）left for Nigeria to site inspection of 25 meter radio telescope undertaken by NIAOT。

Nigeria Radio Telescope（NRT）will locate equator nearby where no radio telescope belong to africa is running。

IT will take two years to complete NRT。Nigeria astronomers will use it to research deep space such as form of stellar and planet、blackhole、molecule cloud、phycical and chemical characteristic of celestial bodies of inner solar system。